Change the error handling in dart:io

runtime/bin/input_stream.dart

Index: runtime/bin/input_stream.dart
diff --git a/runtime/bin/input_stream.dart b/runtime/bin/input_stream.dart
index 31eb51ab6f7ab6a2628052d07a5d7068bf256520..a7d342a6295c0546a4ccf0fd22a17dcd5f157c37 100644
--- a/runtime/bin/input_stream.dart
+++ b/runtime/bin/input_stream.dart
@@ -95,7 +95,7 @@ interface InputStream {
    * Sets the handler that gets called when the underlying
    * communication channel gets into some kind of error situation.
    */
-  void set onError(void callback(Exception e));
+  void set onError(void callback(e));
 }
 
 
@@ -182,7 +182,7 @@ interface StringInputStream default _StringInputStream {
    * Sets the handler that gets called when the underlying
    * communication channel gets into some kind of error situation.
    */
-  void set onError(void callback(Exception e));
+  void set onError(void callback(e));
 }
 
 
@@ -237,7 +237,7 @@ interface ChunkedInputStream default _ChunkedInputStream {
    * Sets the handler that gets called when the underlying
    * communication channel gets into some kind of error situation.
    */
-  void set onError(void callback(Exception e));
+  void set onError(void callback(e));
 }